Light-emitting diode



FIG. 1 is a front, top and right side perspective view of a light-emitting diode, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view thereof; and the opposite side being a mirror image thereof. 

The ornamental design for a light-emitting diode, as shown and described. 